If you have flies in vials with food at the bottom packed in with
sponge and then the next day you came in and saw all the flies
squashed between the sponge and the food. What could have happened?
S = Sponge
F= Food
D= Flies
Before
_________
SFD
SF D
SF D
SF_________
After
_________
SDF
SDF
SDF
__SDF______